Attested: (1) RC Isca, Isca Augusta; AI iter 12 Iscae Leg. II Augusta; iter 13 Isca; iter 14 Isca
(2) Ptolemy 2,3,4 Ισκα ποταμου εκβολαι, 2,3,30 Ισκα λεγιων δευτερα Σεβαστη;
AI iter 15 Isca Dumnoniorum; RC Scadumnamorum; TP Iscadumnoniorum
Where: In both cases Isca refers both to a legionary fortress and to a river, where (1) is at Caerleon, ST337906, on the Usk, and (2) is at Exeter, SX923925, on the Exe.
Name origin: Discussed in detail here.
Last Edited: 18 September 2016